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  <title>区域填充到指定颜色的边界为止</title>
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  <div id="layout-content"><div id="function.imagefilltoborder" class="refentry">
   <div class="refnamediv">
    <h1 class="refname">imagefilltoborder</h1>
    <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imagefilltoborder</span> &mdash; <span class="dc-title">区域填充到指定颜色的边界为止</span></p>

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   <div class="refsect1 unknown-unknown-unknown-seealsr" id="refsect1-function.imagefilltoborder-unknown-unknown-unknown-seealsr">
    <h3 class="title">说明</h3>
    <div class="methodsynopsis dc-description">
     <span class="methodname"><strong>imagefilltoborder</strong></span>
      ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
     , <span class="methodparam"><span class="type">int</span> <code class="parameter">$x</code></span>
     , <span class="methodparam"><span class="type">int</span> <code class="parameter">$y</code></span>
     , <span class="methodparam"><span class="type">int</span> <code class="parameter">$border</code></span>
     , <span class="methodparam"><span class="type">int</span> <code class="parameter">$color</code></span>
     ) : <span class="type">bool</span></div>

    <p class="para rdfs-comment">
     <span class="function"><strong>imagefilltoborder()</strong></span> 从
     <code class="parameter">x</code>，<code class="parameter">y</code>（图像左上角为
     0, 0）点开始用 <code class="parameter">color</code>
     颜色执行区域填充，直到碰到颜色为 <code class="parameter">border</code>
     的边界为止。【注：边界内的所有颜色都会被填充。如果指定的边界色和该点颜色相同，则没有填充。如果图像中没有该边界色，则整幅图像都会被填充。】
    </p>
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